code: def test_empty_list(self):
      def f():
          return []
  
      tr = self.transform(f, lists)
  
      tl = tr()
      # Empty tensor lists cannot be evaluated or stacked.
      self.assertIsInstance(tl, tensor.Tensor)
      self.assertEqual(tl.dtype, dtypes.variant)
  
file_path: tensorflow/tensorflow/python/autograph/converters/lists_test.py
imports: from tensorflow.python.autograph.converters import directives
  from tensorflow.python.autograph.converters import lists
  from tensorflow.python.autograph.core import converter_testing
  from tensorflow.python.autograph.lang import directives
  from tensorflow.python.autograph.lang import special_functions
  from tensorflow.python.framework import dtypes
  from tensorflow.python.framework import tensor
  from tensorflow.python.ops import array_ops_stack
  from tensorflow.python.ops import list_ops
  from tensorflow.python.platform import test
label_desc: Use image node_id 1 for calling the ListTest obj's underlying member method code with example usage: obj.test_empty_list() and returns: list